Ml270 cdi injector leak off test results

Blueyes1971

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Just a quick one guys before I pull a few injectors to tap new injector bolt inserts.
Leak off test results... looks good to me.
Any thoughts?

Engine ran for 1 minute 10 seconds
All five show spot on 20mil
 

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Blueyes1971

Blueyes1971

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I will do a full thread on the bolt insert install hopefully tomorrow weather permitting
 

Uncle Benz

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Look fine to me. I've had them where one leaks off so badly, by the time you have turned the key to start the engine and walked round the front to look I've had to run back to switch it off before the measuring cylinder overflowed!
 
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Blueyes1971

Blueyes1971

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Look fine to me. I've had them where one leaks off so badly, by the time you have turned the key to start the engine and walked round the front to look I've had to run back to switch it off before the measuring cylinder overflowed!

Cheers Benz
 

Westheath

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Just a quick one guys before I pull a few injectors to tap new injector bolt inserts.
Leak off test results... looks good to me.
Any thoughts?

Engine ran for 1 minute 10 seconds
All five show spot on 20mil

Usually you test for 3 mins, after 2 mins idling, hold at @ 2000rpm for the remaining minute.
 

Westheath

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That image shows incorrect connections, these should be used to prevent air enteringthe test environment.

Nice bodge though :)
bosch-common-rail-injector-return-back-leakage-connection-plastic-elbow-14-p.jpg
 


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